dana bash, see you then. thank you very much. >>> the steady drumbeat to get u.s. troops out of afghanistan ahead of schedule is now getting louder. fueled in part by the deaths, murders of nato troops by afghans they are training, so-called green on blue attacks have claimed nearly 50 lives thus far this year. and the killings, they're taking a toll on the troops in the field. here is what nato's secretary-general told britain's guardian newspaper just this week. quoting here, quote, there is no doubt insider attacks have undermined trust and confidence, absolutely. the secretary-general told the guardian nato's withdraw could come sooner than expected and those attacks have also frustrated, angered those who lead the troops. just this past sunday general john alan, the isaf commander, voiced his frustration on "60 minute minutes". >> i'm mad as hell about them. we're going get after this. it reverberates everywhere, across the united states. we're willing to sacrifice a lot for this campaign, but we're not willing to be murdered for it. >> with the headline that